code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/pmt.cpp

   1 #include <lib/base/eerror.h>
   2 #include <lib/dvb/pmt.h>
   3 #include <lib/dvb/specs.h>
   4 #include <lib/dvb/dvb.h>
   5 #include <lib/dvb/metaparser.h>
   6 #include <lib/dvb_ci/dvbci.h>
   7 #include <lib/dvb/epgcache.h>
   8 #include <lib/dvb/scan.h>
   9 #include <dvbsi++/ca_descriptor.h>
  10 #include <dvbsi++/ca_program_map_section.h>
  11 #include <dvbsi++/teletext_descriptor.h>
  12 #include <dvbsi++/descriptor_tag.h>
  13 #include <dvbsi++/iso639_language_descriptor.h>
  14 #include <dvbsi++/stream_identifier_descriptor.h>
  15 #include <dvbsi++/subtitling_descriptor.h>
  16
  17 eDVBServicePMTHandler::eDVBServicePMTHandler()
  18         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  19 {
  20         m_use_decode_demux = 0;
  21         m_pmt_pid = -1;
  22         eDVBResourceManager::getInstance(m_resourceManager);
  23         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  24         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  25 }
  26
  27 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  28 {
  29         free();
  30 }
  31
  32 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  33 {
  34         int state;
  35         channel->getState(state);
  36
  37         if ((m_last_channel_state != iDVBChannel::state_ok)
  38                 && (state == iDVBChannel::state_ok) && (!m_demux))
  39         {
  40                 if (m_channel)
  41                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  42                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  43
  44                 serviceEvent(eventTuned);
  45
  46                 if (m_demux)
  47                 {
  48                         eDebug("ok ... now we start!!");
  49
  50                         if (m_pmt_pid == -1)
  51                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  52                         else
  53                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  54
  55                         if ( m_service && !m_service->cacheEmpty() )
  56                                 serviceEvent(eventNewProgramInfo);
  57                 }
  58         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  59                         (state == iDVBChannel::state_failed))
  60         {
  61                 eDebug("tune failed.");
  62                 serviceEvent(eventTuneFailed);
  63         }
  64 }
  65
  66 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  67 {
  68         switch (event)
  69         {
  70         case iDVBChannel::evtEOF:
  71                 serviceEvent(eventEOF);
  72                 break;
  73         case iDVBChannel::evtSOF:
  74                 serviceEvent(eventSOF);
  75                 break;
  76         default:
  77                 break;
  78         }
  79 }
  80
  81 void eDVBServicePMTHandler::PMTready(int error)
  82 {
  83         if (error)
  84                 serviceEvent(eventNoPMT);
  85         else
  86         {
  87                 m_have_cached_program = false;
  88                 serviceEvent(eventNewProgramInfo);
  89                 eEPGCache::getInstance()->PMTready(this);
  90                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  91                 {
  92                         if(!m_ca_servicePtr)
  93                         {
  94                                 int demuxes[2] = {0,0};
  95                                 uint8_t tmp;
  96                                 m_demux->getCADemuxID(tmp);
  97                                 demuxes[0]=tmp;
  98                                 if (m_decode_demux_num != 0xFF)
  99                                         demuxes[1]=m_decode_demux_num;
 100                                 else
 101                                         demuxes[1]=demuxes[0];
 102                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 103                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 104                         }
 105                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 106                 }
 107                 if (m_ca_servicePtr)
 108                 {
 109                         ePtr<eTable<ProgramMapSection> > ptr;
 110                         if (!m_PMT.getCurrent(ptr))
 111                                 m_ca_servicePtr->buildCAPMT(ptr);
 112                         else
 113                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 114                 }
 115         }
 116 }
 117
 118 void eDVBServicePMTHandler::PATready(int)
 119 {
 120         ePtr<eTable<ProgramAssociationSection> > ptr;
 121         if (!m_PAT.getCurrent(ptr))
 122         {
 123                 int pmtpid = -1;
 124                 std::vector<ProgramAssociationSection*>::const_iterator i;
 125                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 126                 {
 127                         const ProgramAssociationSection &pat = **i;
 128                         ProgramAssociationConstIterator program;
 129                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 130                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 131                                         pmtpid = (*program)->getProgramMapPid();
 132                 }
 133                 if (pmtpid == -1)
 134                         serviceEvent(eventNoPATEntry);
 135                 else
 136                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 137         } else
 138                 serviceEvent(eventNoPAT);
 139 }
 140
 141 PyObject *eDVBServicePMTHandler::getCaIds()
 142 {
 143         PyObject *ret=0;
 144
 145         program prog;
 146
 147         if ( !getProgramInfo(prog) )
 148         {
 149                 int cnt=prog.caids.size();
 150                 if (cnt)
 151                 {
 152                         ret=PyList_New(cnt);
 153                         std::set<uint16_t>::iterator it(prog.caids.begin());
 154                         while(cnt--)
 155                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 156                 }
 157         }
 158
 159         return ret ? ret : PyList_New(0);
 160 }
 161
 162 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 163 {
 164         ePtr<eTable<ProgramMapSection> > ptr;
 165         int cached_apid_ac3 = -1;
 166         int cached_apid_mpeg = -1;
 167         int cached_vpid = -1;
 168         int cached_tpid = -1;
 169         int ret = -1;
 170
 171         program.videoStreams.clear();
 172         program.audioStreams.clear();
 173         program.pcrPid = -1;
 174         program.pmtPid = -1;
 175         program.textPid = -1;
 176
 177         if ( m_service && !m_service->cacheEmpty() )
 178         {
 179                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 180                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
 181                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
 182                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 183         }
 184
 185         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 186         {
 187                 if (m_have_cached_program)
 188                 {
 189                         program = m_cached_program;
 190                         ret = 0;
 191                 }
 192                 else
 193                 {
 194                         eDVBTableSpec table_spec;
 195                         ptr->getSpec(table_spec);
 196                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 197                         std::vector<ProgramMapSection*>::const_iterator i;
 198                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 199                         {
 200                                 const ProgramMapSection &pmt = **i;
 201                                 program.pcrPid = pmt.getPcrPid();
 202
 203                                 ElementaryStreamInfoConstIterator es;
 204                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 205                                 {
 206                                         int isaudio = 0, isvideo = 0;
 207                                         videoStream video;
 208                                         audioStream audio;
 209                                         audio.component_tag=video.component_tag=-1;
 210                                         video.type = videoStream::vtMPEG2;
 211
 212                                         switch ((*es)->getType())
 213                                         {
 214                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 215                                                 video.type = videoStream::vtMPEG4_H264;
 216                                         case 0x01: // MPEG 1 video
 217                                         case 0x02: // MPEG 2 video
 218                                                 isvideo = 1;
 219                                                 //break; fall through !!!
 220                                         case 0x03: // MPEG 1 audio
 221                                         case 0x04: // MPEG 2 audio:
 222                                                 if (!isvideo)
 223                                                 {
 224                                                         isaudio = 1;
 225                                                         audio.type = audioStream::atMPEG;
 226                                                 }
 227                                                 //break; fall through !!!
 228                                         case 0x06: // PES Private
 229                                                         /* PES private can contain AC-3, DTS or lots of other stuff.
 230                                                            check descriptors to get the exact type. */
 231                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 232                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 233                                                 {
 234                                                         switch ((*desc)->getTag())
 235                                                         {
 236                                                         case SUBTITLING_DESCRIPTOR:
 237                                                         {
 238                                                                 SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 239                                                                 const SubtitlingList *list = d->getSubtitlings();
 240                                                                 subtitleStream s;
 241                                                                 s.pid = (*es)->getPid();
 242                                                                 for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 243                                                                 {
 244                                                                         s.subtitling_type = (*it)->getSubtitlingType();
 245                                                                         s.composition_page_id = (*it)->getCompositionPageId();
 246                                                                         s.ancillary_page_id = (*it)->getAncillaryPageId();
 247                                                                         s.language_code = (*it)->getIso639LanguageCode();
 248                                                                         program.subtitleStreams.push_back(s);
 249                                                                 }
 250                                                                 break;
 251                                                         }
 252                                                         case TELETEXT_DESCRIPTOR:
 253                                                                 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 254                                                                         program.textPid = (*es)->getPid();
 255                                                                 break;
 256                                                         case DTS_DESCRIPTOR:
 257                                                                 isaudio = 1;
 258                                                                 audio.type = audioStream::atDTS;
 259                                                                 break;
 260                                                         case AAC_DESCRIPTOR:
 261                                                                 isaudio = 1;
 262                                                                 audio.type = audioStream::atAAC;
 263                                                                 break;
 264                                                         case AC3_DESCRIPTOR:
 265                                                                 isaudio = 1;
 266                                                                 audio.type = audioStream::atAC3;
 267                                                                 break;
 268                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 269                                                                 if (!isvideo)
 270                                                                 {
 271                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 272                                                                                 /* use last language code */
 273                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 274                                                                                 audio.language_code = (*i)->getIso639LanguageCode();
 275                                                                 }
 276                                                                 break;
 277                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 278                                                                 audio.component_tag =
 279                                                                         video.component_tag =
 280                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 281                                                                 break;
 282                                                         case CA_DESCRIPTOR:
 283                                                         {
 284                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 285                                                                 program.caids.insert(descr->getCaSystemId());
 286                                                                 break;
 287                                                         }
 288                                                         }
 289                                                 }
 290                                                 break;
 291                                         }
 292                                         if (isaudio)
 293                                         {
 294                                                 audio.pid = (*es)->getPid();
 295                                                 if ( !program.audioStreams.empty() &&
 296                                                         ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 297                                                 {
 298                                                         program.audioStreams.push_back(program.audioStreams[0]);
 299                                                         program.audioStreams[0] = audio;
 300                                                 }
 301                                                 else
 302                                                         program.audioStreams.push_back(audio);
 303                                         }
 304                                         else if (isvideo)
 305                                         {
 306                                                 video.pid = (*es)->getPid();
 307                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 308                                                 {
 309                                                         program.videoStreams.push_back(program.videoStreams[0]);
 310                                                         program.videoStreams[0] = video;
 311                                                 }
 312                                                 else
 313                                                         program.videoStreams.push_back(video);
 314                                         }
 315                                         else
 316                                                 continue;
 317                                 }
 318                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 319                                         desc != pmt.getDescriptors()->end(); ++desc)
 320                                 {
 321                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 322                                         {
 323                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 324                                                 program.caids.insert(descr->getCaSystemId());
 325                                         }
 326                                 }
 327                         }
 328                         ret = 0;
 329                         m_cached_program = program;
 330                         m_have_cached_program = true;
 331                 }
 332         } else if ( m_service && !m_service->cacheEmpty() )
 333         {
 334                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 335                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 336                         cnt=0;
 337                 if ( vpidtype == -1 )
 338                         vpidtype = videoStream::vtMPEG2;
 339                 if ( cached_vpid != -1 )
 340                 {
 341                         videoStream s;
 342                         s.pid = cached_vpid;
 343                         s.type = vpidtype;
 344                         program.videoStreams.push_back(s);
 345                         ++cnt;
 346                 }
 347                 if ( cached_apid_ac3 != -1 )
 348                 {
 349                         audioStream s;
 350                         s.type = audioStream::atAC3;
 351                         s.pid = cached_apid_ac3;
 352                         program.audioStreams.push_back(s);
 353                         ++cnt;
 354                 }
 355                 if ( cached_apid_mpeg != -1 )
 356                 {
 357                         audioStream s;
 358                         s.type = audioStream::atMPEG;
 359                         s.pid = cached_apid_mpeg;
 360                         program.audioStreams.push_back(s);
 361                         ++cnt;
 362                 }
 363                 if ( cached_pcrpid != -1 )
 364                 {
 365                         ++cnt;
 366                         program.pcrPid = cached_pcrpid;
 367                 }
 368                 if ( cached_tpid != -1 )
 369                 {
 370                         ++cnt;
 371                         program.textPid = cached_tpid;
 372                 }
 373                 CAID_LIST &caids = m_service->m_ca;
 374                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 375                         program.caids.insert(*it);
 376                 if ( cnt )
 377                         ret = 0;
 378         }
 379         return ret;
 380 }
 381
 382 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 383 {
 384         channel = m_channel;
 385         if (channel)
 386                 return 0;
 387         else
 388                 return -1;
 389 }
 390
 391 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 392 {
 393         demux = m_demux;
 394         if (demux)
 395                 return 0;
 396         else
 397                 return -1;
 398 }
 399
 400 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 401 {
 402         int ret=0;
 403                 /* if we're using the decoding demux as data source
 404                    (for example in pvr playbacks), return that one. */
 405         if (m_use_decode_demux)
 406         {
 407                 demux = m_demux;
 408                 return ret;
 409         }
 410
 411         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 412
 413         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 414         if (!ret)
 415                 demux->getCADemuxID(m_decode_demux_num);
 416
 417         return ret;
 418 }
 419
 420 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 421 {
 422         pvr_channel = m_pvr_channel;
 423         if (pvr_channel)
 424                 return 0;
 425         else
 426                 return -1;
 427 }
 428
 429 void eDVBServicePMTHandler::SDTScanEvent(int event)
 430 {
 431         switch (event)
 432         {
 433                 case eDVBScan::evtFinish:
 434                 {
 435                         ePtr<iDVBChannelList> db;
 436                         if (m_resourceManager->getChannelList(db) != 0)
 437                                 eDebug("no channel list");
 438                         else
 439                         {
 440                                 m_dvb_scan->insertInto(db, true);
 441                                 eDebug("sdt update done!");
 442                         }
 443                         break;
 444                 }
 445
 446                 default:
 447                         break;
 448         }
 449 }
 450
 451 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 452 {
 453         RESULT res;
 454         m_reference = ref;
 455
 456         m_use_decode_demux = use_decode_demux;
 457
 458                 /* is this a normal (non PVR) channel? */
 459         if (ref.path.empty())
 460         {
 461                 eDVBChannelID chid;
 462                 ref.getChannelID(chid);
 463                 res = m_resourceManager->allocateChannel(chid, m_channel);
 464                 eDebug("allocate Channel: res %d", res);
 465
 466                 ePtr<iDVBChannelList> db;
 467                 if (!m_resourceManager->getChannelList(db))
 468                                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 469
 470                 if (!res)
 471                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 472         } else
 473         {
 474                 eDVBMetaParser parser;
 475
 476                 if (parser.parseFile(ref.path))
 477                 {
 478                         eWarning("no .meta file found, trying to find PMT pid");
 479                         eDVBTSTools tstools;
 480                         if (tstools.openFile(ref.path.c_str()))
 481                                 eWarning("failed to open file");
 482                         else
 483                         {
 484                                 int service_id, pmt_pid;
 485                                 if (!tstools.findPMT(pmt_pid, service_id))
 486                                 {
 487                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 488                                         m_reference.setServiceID(service_id);
 489                                         m_pmt_pid = pmt_pid;
 490                                 }
 491                         }
 492                 } else
 493                         m_reference = parser.m_ref;
 494
 495                 eDebug("alloc PVR");
 496                         /* allocate PVR */
 497                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 498                 if (res)
 499                         eDebug("allocatePVRChannel failed!\n");
 500                 m_channel = m_pvr_channel;
 501         }
 502
 503         if (m_channel)
 504         {
 505                 m_channel->connectStateChange(
 506                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 507                         m_channelStateChanged_connection);
 508                 m_last_channel_state = -1;
 509                 channelStateChanged(m_channel);
 510
 511                 m_channel->connectEvent(
 512                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 513                         m_channelEvent_connection);
 514
 515                 if (ref.path.empty())
 516                 {
 517                         delete m_dvb_scan;
 518                         m_dvb_scan = new eDVBScan(m_channel, false, false);
 519                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 520                 }
 521         } else
 522         {
 523                 serviceEvent(eventTuneFailed);
 524                 return res;
 525         }
 526
 527         if (m_pvr_channel)
 528         {
 529                 m_pvr_channel->setCueSheet(cue);
 530                 m_pvr_channel->playFile(ref.path.c_str());
 531         }
 532
 533         return res;
 534 }
 535
 536 void eDVBServicePMTHandler::free()
 537 {
 538         m_dvb_scan = 0;
 539         delete m_dvb_scan;
 540
 541         if (m_ca_servicePtr)
 542         {
 543                 int demuxes[2] = {0,0};
 544                 uint8_t tmp;
 545                 m_demux->getCADemuxID(tmp);
 546                 demuxes[0]=tmp;
 547                 if (m_decode_demux_num != 0xFF)
 548                         demuxes[1]=m_decode_demux_num;
 549                 else
 550                         demuxes[1]=demuxes[0];
 551                 ePtr<eTable<ProgramMapSection> > ptr;
 552                 m_PMT.getCurrent(ptr);
 553                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 554                 m_ca_servicePtr = 0;
 555         }
 556
 557         if (m_channel)
 558                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 559
 560         if (m_pvr_channel)
 561         {
 562                 m_pvr_channel->stopFile();
 563                 m_pvr_channel->setCueSheet(0);
 564         }
 565         m_PMT.stop();
 566         m_PAT.stop();
 567         m_service = 0;
 568         m_channel = 0;
 569         m_pvr_channel = 0;
 570         m_demux = 0;
 571 }
 572
 573 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
 574
 575 eDVBCAService::eDVBCAService()
 576         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 577 {
 578         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 579         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 580         Connect();
 581 }
 582
 583 eDVBCAService::~eDVBCAService()
 584 {
 585         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 586         ::close(m_sock);
 587 }
 588
 589 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 590 {
 591         CAServiceMap::iterator it = exist.find(ref);
 592         if ( it != exist.end() )
 593                 caservice = it->second;
 594         else
 595         {
 596                 caservice = (exist[ref]=new eDVBCAService());
 597                 caservice->m_service = ref;
 598                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 599         }
 600
 601         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 602         for (int i=0; i < loops; ++i)
 603         {
 604 // search free demux entry
 605                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 606
 607                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 608                         ++iter;
 609
 610                 if ( iter < max_demux_slots )
 611                 {
 612                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 613                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 614                 }
 615                 else
 616                 {
 617                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 618                         return -1;
 619                 }
 620         }
 621         return 0;
 622 }
 623
 624 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 625 {
 626         CAServiceMap::iterator it = exist.find(ref);
 627         if ( it == exist.end() )
 628         {
 629                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 630                 return -1;
 631         }
 632         else
 633         {
 634                 eDVBCAService *caservice = it->second;
 635                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 636                 for (int i=0; i < loops; ++i)
 637                 {
 638                         bool freed = false;
 639                         int iter = 0,
 640                                 used_demux_slots = 0,
 641                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 642                         while ( iter < max_demux_slots )
 643                         {
 644                                 if ( caservice->m_used_demux[iter] != 0xFF )
 645                                 {
 646                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 647                                         {
 648                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 649                                                 caservice->m_used_demux[iter] = 0xFF;
 650                                                 freed=true;
 651                                         }
 652                                         else
 653                                                 ++used_demux_slots;
 654                                 }
 655                                 ++iter;
 656                         }
 657                         if (!freed)
 658                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 659                         if (i || loops == 1)
 660                         {
 661                                 if (!used_demux_slots)  // no more used.. so we remove it
 662                                 {
 663                                         delete it->second;
 664                                         exist.erase(it);
 665                                 }
 666                                 else
 667                                 {
 668                                         if (ptr)
 669                                                 it->second->buildCAPMT(ptr);
 670                                         else
 671                                                 eDebug("[eDVBCAService] can not send updated demux info");
 672                                 }
 673                         }
 674                 }
 675         }
 676         return 0;
 677 }
 678
 679 void eDVBCAService::Connect()
 680 {
 681         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 682         m_servaddr.sun_family = AF_UNIX;
 683         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 684         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 685         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 686         connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
 687         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 688         int val=1;
 689         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 690 }
 691
 692 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 693 {
 694         if (!ptr)
 695                 return;
 696
 697         eDVBTableSpec table_spec;
 698         ptr->getSpec(table_spec);
 699
 700         int pmtpid = table_spec.pid,
 701                 pmt_version = table_spec.version;
 702
 703         uint8_t demux_mask = 0;
 704         int data_demux = -1;
 705
 706         int iter=0, max_demux_slots = sizeof(m_used_demux);
 707         while ( iter < max_demux_slots )
 708         {
 709                 if ( m_used_demux[iter] != 0xFF )
 710                 {
 711                         if ( m_used_demux[iter] > data_demux )
 712                                 data_demux = m_used_demux[iter];
 713                         demux_mask |= (1 << m_used_demux[iter]);
 714                 }
 715                 ++iter;
 716         }
 717
 718         if ( data_demux == -1 )
 719         {
 720                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 721                 return;
 722         }
 723
 724         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 725
 726         unsigned int build_hash = (pmtpid << 16);
 727         build_hash |= (demux_mask << 8);
 728         build_hash |= (pmt_version&0xFF);
 729
 730         if ( build_hash == m_prev_build_hash )
 731         {
 732                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 733                 return;
 734         }
 735
 736         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 737         if ( i != ptr->getSections().end() )
 738         {
 739                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 740
 741                 while( i != ptr->getSections().end() )
 742                 {
 743 //                      eDebug("append");
 744                         capmt.append(*i++);
 745                 }
 746
 747                 // add our private descriptors to capmt
 748                 uint8_t tmp[10];
 749
 750                 tmp[0]=0x84;  // pmt pid
 751                 tmp[1]=0x02;
 752                 tmp[2]=pmtpid>>8;
 753                 tmp[3]=pmtpid&0xFF;
 754                 capmt.injectDescriptor(tmp, false);
 755
 756                 tmp[0] = 0x82; // demux
 757                 tmp[1] = 0x02;
 758                 tmp[2] = demux_mask;    // descramble bitmask
 759                 tmp[3] = data_demux&0xFF; // read section data from demux number
 760                 capmt.injectDescriptor(tmp, false);
 761
 762                 tmp[0] = 0x81; // dvbnamespace
 763                 tmp[1] = 0x08;
 764                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 765                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 766                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 767                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 768                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 769                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 770                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 771                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 772                 capmt.injectDescriptor(tmp, false);
 773
 774                 capmt.writeToBuffer(m_capmt);
 775         }
 776
 777         m_prev_build_hash = build_hash;
 778
 779         if ( m_sendstate != 0xFFFFFFFF )
 780                 m_sendstate=0;
 781         sendCAPMT();
 782 }
 783
 784 void eDVBCAService::sendCAPMT()
 785 {
 786         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 787         {
 788                 ::close(m_sock);
 789                 Connect();
 790         }
 791
 792         int wp=0;
 793         if ( m_capmt[3] & 0x80 )
 794         {
 795                 int i=0;
 796                 int lenbytes = m_capmt[3] & ~0x80;
 797                 while(i < lenbytes)
 798                         wp = (wp << 8) | m_capmt[4 + i++];
 799                 wp+=4;
 800                 wp+=lenbytes;
 801         }
 802         else
 803         {
 804                 wp = m_capmt[3];
 805                 wp+=4;
 806         }
 807
 808         if ( write(m_sock, m_capmt, wp) == wp )
 809         {
 810                 m_sendstate=0xFFFFFFFF;
 811                 eDebug("[eDVBCAService] send %d bytes",wp);
 812 #if 1
 813                 for(int i=0;i<wp;i++)
 814                         eDebugNoNewLine("%02x ", m_capmt[i]);
 815                 eDebug("");
 816 #endif
 817         }
 818         else
 819         {
 820                 switch(m_sendstate)
 821                 {
 822                         case 0xFFFFFFFF:
 823                                 ++m_sendstate;
 824                                 m_retryTimer.start(0,true);
 825 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 826                                 break;
 827                         default:
 828                                 m_retryTimer.start(5000,true);
 829 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 830                                 break;
 831                 }
 832                 ++m_sendstate;
 833         }
 834 }